126 resultados para [JEL:D11] Microeconomics - Household Behavior and Family Economics - Consumer Economics: Theory


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The Royal Institution of Chartered Surveyors (RICS) 5th European Conference in November 2004 focussed on enhancing collaboration at master's level in real estate education across Europe. In a context of increased global economic activity and increasing ties within the EU, there are benefits to business and to students in offering this type of educational provision. But is this paradigm true for construction economics (CE) and construction management (CM)? This paper examined the potential for collaboration and joint European awards in CM and CE. There is a political will for collaboration in HE based on economic drivers for the growth of the EU and changes are being implemented to enhance transparency and mobility for students. Professional bodies are expanding their European presence. Globalisation has resulted in greater opportunities for international real estate, and construction and there is growth in these sectors for practitioners. The difficulties with joint European collaboration are short course duration and the need to cover extensive subject matter. Other barriers are university structures, quality assurance procedures, costs and finances issues as well as IT, student services and support issues. The survey revealed that there are no RICS accredited CM / CE courses outside of the UK which inhibits collaboration. The sample was split in perceived demand for collaboration and the European focus within the courses is limited, as are field trips outside the UK. Student exchange on courses is rare. Generally there is a lag between the political will to greater student mobility and collaboration and the market, which is showing growth in multinational organisations and demand for pan European construction services and a professional body keen to deliver and support this growth. Within academia the barriers and current economic climate in HE preclude the widespread adoption of greater collaboration and development of joint awards, however this position may change.

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The fatigue properties of multiphase steels are an important consideration in the automotive industry. The different microstructural phases present in these steels can influence the strain life and cyclic stabilized strength of the material due to the way in which these phases accommodate the applied cyclic strain. Fully reversed strain-controlled low-cycle fatigue tests have been used to determine the mechanical fatigue performance of a dual-phase (DP) 590 and transformation-induced plasticity (TRIP) 780 steel, with transmission electron microscopy (TEM) used to examine the deformed microstructures. It is shown that the higher strain life and cyclic stabilized strength of the TRIP steel can be attributed to an increased yield strength. Despite the presence of significant levels of retained austenite in the TRIP steel, both steels exhibited similar cyclic softening behavior at a range of strain amplitudes due to comparable ferrite volume fractions and yielding characteristics. Both steels formed low-energy dislocation structures in the ferrite during cyclic straining.

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This thesis contends that government focus on policy implicitly defines community education as a means of overcoming barriers to government-initiated change, rather than as an input to governmental decision-making. The role of education is thus viewed as instrumentalist rather than as dialectical in nature. I argue that this role has been reinforced and driven by economic rationalism, as a mechanism related to scientific theory and practice. The thesis addresses the role of government in non-institutional community-based environmental education. Of interest is environmental education under the dominance of economic rationalism and as expressed in government-derived policy, in its own right, and as enacted in two government funded animal management projects. The main body of data, then, includes a review of some contemporary environmental policies and two case studies of 'policy in practice'. Chapter One provides an overview of environmentalism as it has emerged as part of the discourse of Western political systems. Recognised as part of this change is a move to environmentalism embued with the rhetoric of economic theory. The manifestation of this change can be seen in an emphasis on management for the natural environment's use as a resource for humans. Education under this arrangement is valued in terms of its ability to support initiatives that are perceived as economically viable and economically advantageous, maintaining centralised control of decision-making and serving the interests of those who profit from this arrangement. Government-derived environmental policies are presented in Chapter Two. They provide evidence of the conjoining of environment with economic rationalism and the adoption of a particular stance which is both utilitarian and instrumentalist. Emerging from this is an understanding of the limitations placed on environmental debates that do not respond to complex understandings of context and instead support and legitimate centralisation of decision-making and control. Chapter Three presents an argument for an historical approach to environmental education research to accommodate contextual dimensions, as well as scientific, economic and technical dimensions, of the subject under study. An historical approach to research, inclusive of biographical, intergenerational and geographical histories, goes some way to providing an understanding of current individual and collective responses to policy enactment within the two study sites. It also responds to the concealing of history which results from the reduction of environmental debates to economic terms. With this in mind, Chapters Four and Five provide two historical case studies of 'policy in practice'. Chapter Four traces the workings of a rabbit control project in the Sutton Grange district of Victoria and Chapter Five provides an account of a mouse plague project in the Wimmera and Mallee regions of Victoria. The Sutton Grange rabbit project is organised and controlled by district landholders while the Wimmera and Mallee mouse project is organised and controlled by representatives from a scientific organisation and a government agency. Considered in juxtaposition, the two case studies enable an analysis of two somewhat different expressions of the 'role of government'. Chapter Six investigates the competing processes of community participation in governmental decision-making and Australia's system of representative democracy, Despite a call for increased community participation, the majority of policies remain dominated by governmental rhetoric and ideology underpinned by a belief in impartiality. The primacy of economics is considered in terms of government and community interaction, with specific reference to the emergence of particular conceptual constructions, such as cost-benefit analysis, that support this dominance. Of specific importance to this thesis is the argument that economic theory is essentially anthropocentric and individualist and, thus, necessarily marginalises particular conceptions of environment that are non-anthropocentric and non-individualistic. Finally, Chapter Six examines two major interrelated tensions; those of central interests and community interests, and economic rationalism and environmentalist. Chapter Seven looks at examples of theories and practices that fall outside the rationality determined by scientistic knowledge. It is clear from the examination of environmental policy within this thesis that the role ascribed to environmental education is instrumentalist. The function of education is often to support, promote and implement policy and its advocated practices. It is also clear from the examination of policy and advocated processes that policy defines community education as a means of manifesting change as determined by policy, rather than as an input to governmental decision-making. The domination of scientific, economic and technocratic processes (and legitimation of processes) allows only for an instrumentalist approach to education from government. What is encouraged by government through the process of change is continuity rather than reform. It promotes change that will not disrupt the governing hegemony. Particular perspectives and practices, such as a critical approach to education, are omitted or considered only within the unquestioned rationale of the dominant worldview. Chapter Seven focuses on the consequence of government attention to policy which implicitly defines community education as a means of overcoming barriers to change, rather than as an input to governmental decision-making. Finally a list of recommendations is put forward as a starting point to reconstruct community-based environmental education. The role considered is one that responds to, and encourages engagement in, debates which expose disparate views, assumptions and positions. Community ideology must be challenged through the public practices of communication and understanding, decision-making, and action. Intervention is not on a level that encourages a preordinate outcome but, rather, what is encouraged is elaborate consideration of disparate views and rational opinions, and the exposure of assumptions and interests behind ideological positions.

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This paper examines the role of household formation in providing consumption insurance to the elderly. Using data from the Consumer Expenditure Surveys, raw tabulations of per adult equivalent consumption indicate that the elderly who live alone have higher levels of well-being relative to those who live with others. This is misleading, however, because the decision to live alone is clearly endogenous. The empirical estimation accounts for this endogeneity using data from the Panel Study of Income Dynamics. The results provide evidence that household formation plays a significant role in maintaining consumption levels. Without the opportunity to live with others, the welfare gap measured by the difference between per adult equivalent consumption levels of dependent and independent livers would be even larger. These findings suggest that co-residing with others effectively supplements social security, pensions, and private savings and helps the elderly to smooth consumption in old age.

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The defoThe deformation behaviors and energy absorption characteristics of constructed cellular aluminums were investigated by compressive tests. Constructed cellular aluminum specimens with two kinds of thickness in the cold-pressed panel and various numbers of layers bonded together have been tested. The plateau stress and the energy absorption have been measured and furthermore, the deformation behaviors have been evaluated. Results indicate that superior mechanical properties with constructed cellular aluminums can be achieved when the distribution of material at cell level is properly selected. Excellent energy absorption per unit mass can be obtained by only changing the thickness of the original aluminum sheet.nnation behaviors and energy absorption characteristics of constructed cellular aluminums were investigated by compressive tests. Constructed cellular aluminum specimens with two kinds of thickness in the cold-pressed panel and various numbers of layers bonded together have been tested. The plateau stress and the energy absorption have been measured and furthennore, the defonnation behaviors have been evaluated. Results indicate that superior mechanical properties with constructed cellular aluminums can be achieved when the distribution of material at cell level is properly selected. Excellent energy absorption per unit mass can be obtained by only changing the thickness of the original aluminum sheet.

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Workplace practices form an overarching social determinant of health for Victorian jockeys and their families. This research highlights the importance of riding opportunity, coping with risk and danger, and the gratification associated with the lifestyle to be key characteristics that impact on jockey family health for the better or worse.

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Examines the relationships between risk perception, risk communication, and health protective behaviour in relation to breast cancer and family history. Qualitative research was conducted to develop a printed community resource. Theoretical and practical implications for health behaviour theory and risk communication are identified.

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Hospitality was found to be a potentially high stress occupation. Potential work and family stressors, symptoms, affective factors, coping strategies and resources were identified. A stress-psychological health model was developed. Possible implications for stress research, measurement, prevention and management in the hospitality industry were proposed.

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Aims To examine the importance of family management, family structure and father–adolescent relationships on early adolescent alcohol use.

Design Cross-sectional data was collected across 30 randomly selected Australian communities stratified to represent a range of socio-economic and regional variation.

Setting Data were collected during school time from adolescents attending a broad range of schools.

Participants The sample consisted of a combined 8256 students (aged 10–14 years).

Measurements Students completed a web-based survey as part of the Healthy Neighbourhoods project.

Findings Family management—which included practices such as parental monitoring and family rules about alcohol use—had the strongest and most consistent relationship with alcohol use in early adolescence. Adolescents reporting higher family management were less likely to have drunk alcohol in their life-time, less likely to drink alcohol in the preceding 30 days and less likely to have had an alcohol binge. Adolescents reporting emotionally close relationships with their fathers were less likely to have drunk alcohol in their life-time and less likely to have had an alcohol binge in the preceding fortnight.

Conclusions Findings indicate that family management practices may contribute to alcohol abstinence in adolescents. Furthermore, emotionally close father–adolescent relationships may also foster abstinence; however, fathers’ drinking behaviours need to be considered.

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Migration from third-world and low-income countries to high-income Western countries presents significant challenges for individuals and families, and for health service providers in the receiving societies. Cultural conflicts related to preferred body size/shape and parenting practices, together with differential inter generational rates and styles of acculturation, can affect nutritional and lifestyle choices and be associated with high rates of childhood obesity. Using African cultures as an example, this paper examines these issues. It concludes that, in designing and implementating obesity prevention programmes, health service providers need to understand these factors and how they play out.

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Objective : To assess the effect family environment stressors (e.g. poor family functioning and parental psychological distress) and neighbourhood environment on child prosocial behaviour (CPB) and child difficulty behaviour (CDB) among 4-to-12 year old children.

Methods : Analysis of the 2006 Victorian Child Health and Wellbeing Survey (VCHWS) dataset derived from a statewide cross-sectional telephone survey, with a final total sample of 3,370 children.

Results :
Only family functioning, parental psychological distress, child gender, and age were associated with CPB, explaining a total of 8% of the variance. Children from healthily functioning families and of parents without any psychological distress exhibited greater prosocial behaviours than those from poorly functioning families and of parents with mental health problems. Neighbourhood environment was not found to contribute to CPB. A total of eight variables were found to predict CDB, explaining a total of 16% of the variance. Poor family and parental psychological functioning as well as poor access to public facilities in the neighbourhood were associated with conduct problems in children.

Conclusion :
Our results point to the importance of the family environment in providing a context that fosters the development of empathic, caring and responsible children; and in buffering children in exhibiting behaviour difficulties during the formative years of life. Programs aimed at promoting prosocial behaviours in children need to target stressors on the family environment.

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This paper describes the diversity of family forms within a sample of 455 families parented by same-sex couples and same-sex attracted sole parents from Australia and New Zealand. Around one-third of this sample had conceived at least one of their children while in a previous heterosexual relationship. The remaining two-thirds had conceived at least one child within a same-sex relationship or while they were single. Among this group, the largest proportion was women who conceived using home-based self-insemination with a known donor. A smaller proportion of women had conceived through clinic-based insemination or assisted reproduction with a known or unknown donor. There were 60 male participants in the sample. Around 20% of these men were raising children they had conceived through a surrogacy arrangement; the rest had conceived their children within previous heterosexual relationships or through donor arrangements with single women or lesbians. Around 50% of participants described their family form in terms of a two-parent model, where they and their partner were their children's only parents. Around 34% were sharing care of their children with ex-partners, either a previous heterosexual (opposite sex) partner or a previous same-sex partner. Around 10% described themself as their child's sole parent. In large part, participants in this study were not creating radically new family formations, with around half of all participants describing their family in terms of a two-parent ‘nuclear’ model, albeit a model involving parents of the same gender. However, pathways to conception and/or parenthood did reflect nontraditional patterns.

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This study investigated associations between components of physical activity (PA; e.g. domain and social context) and sedentary behaviors (SBs) and risk of depression in women from disadvantaged neighborhoods. A total of 3645 women, aged 18–45 years, from disadvantaged neighborhoods, self-reported their PA, SB and depressive symptoms. Crude and adjusted odds ratios and 95% confidence intervals were calculated for each component of PA, SB and risk of depression using logistic regression analyses, adjusting for clustering by women's neighborhood of residence. Being in a higher tertile of leisure-time PA and transport-related PA was associated with lower risk of depression. No associations were apparent for domestic or work-related PA. Women who undertook a small proportion of their leisure-time PA with someone were less likely to be at risk of depression than those who undertook all leisure-time PA on their own. Women reporting greater time sitting at the computer, screen time and overall sitting time had higher odds of risk of depression compared with those reporting low levels. The domain and social context of PA may be important components in reducing the risk of depression. Reducing time spent in SB may be a key strategy in the promotion of better mental health in women from disadvantaged neighborhoods.

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Background Physically inactive lifestyles and sedentary behaviors (SB) are key contributors to ill health. Although the association between SB (e.g., watching TV/using the computer) and physical health has been well documented, increasing research has focused on the possible link between SB and mental health (e.g., depression).

Purpose
This review aims to investigate the effect of SB on the risk of depression in adults.

Method A systematic search for original research articles investigating associations between SB and depression in adults was performed using the several electronic data bases.

Results A total of seven observational and four intervention studies were included in this review. All observational studies found positive associations between SB and risk of depression, while intervention studies showed contradictory results.

Conclusion
Evidence for the relationship between SB and risk of depression in adults is limited by methodological weaknesses. However, on balance, this review suggests that SB is associated with an increased risk of depression. Further studies are needed assessing different types of SB and depression; the interrelationship between physical activity, SB, and depression; causal links between SB and depression; and intervention strategies aimed at reducing SB and their effects on risk of depression.